RE: Adding days to a date -- MIDRANGE-L

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Is this because you believe that it calculates this on every row?  If so,
this program shouldn't retrieve many rows.

The problem with using a rpg date is when do you set the value?  Right
before each SQL statement?  I don't want to run into the same problems I
am having with *JOB and *SYS.

Rob Berendt
--
"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety."
Benjamin Franklin




"Leland, David" <dleland@Harter.com>
Sent by: midrange-l-admin@midrange.com
05/02/2002 12:25 PM
Please respond to midrange-l


        To:     "'midrange-l@midrange.com'" <midrange-l@midrange.com>
        cc:
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        Subject:        RE: Adding days to a date


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If you're doing this as embedded SQL in an RPG program, my personal
experience with using "CURRENT DATE" in an SQL statement is that it is
much
slower than using a date variable from the program you are using.  (e.g.
if
in RPG, initialize variable TODAY to current date and then use :TODAY in
place of "CURRENT DATE").

Dave

-----Original Message-----
From: rob@dekko.com [mailto:rob@dekko.com]
Sent: Thursday, May 02, 2002 12:15 PM
To: midrange-l@midrange.com
Subject: RE: Adding days to a date


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Thanks Gord,

Now I've got this working:
SELECT login.logid, login.logpas, login.logfnm, login.logcnm,
       login.logacc, login.logact, login.loglev, login.logsts,
       login.logphone, login.logemail, login.logflg1, login.logflg2,
       login.logedte, login.logeusr, login.logmdte, login.logmusr,
       login.logpsod, login.logpwcd, login.logpwei, login.logpwex,
       tpnbr.tpnbr, tpnbr.tpttype, tpnbr.rolecode,
      tptype.tpt400, tptype.tptlib, tptype.tptfile, tptype.tptfield,
      tptype.tptpname, tptype.tpphone, tptype.tpfax, tptype.tpemail,
       tpfacl.tpfacl, tpfacl.tpdrawflr
FROM (((login left outer join tpnbr
          ON login.logid = tpnbr.logid)
      left outer join tptype
          on tpnbr.tpttype = tptype.tpttype)
      left outer join tpfacl
          on tpnbr.logid = tpfacl.logid
         and tpnbr.tpnbr = tpfacl.tpnbr
         and tpnbr.tpttype = tpfacl.tpttype)
where login.logid='RALPH' and login.logpas='MALPH'
 and login.logsts='1'
 and login.logpwex='0'
 and (login.logpwei<0 or
     (CURRENT DATE > DATE(logpwcd + logpwei days)))

Rob Berendt
--
"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety."
Benjamin Franklin




Gord Royle <GRoyle@cott.com>
Sent by: midrange-l-admin@midrange.com
05/02/2002 11:59 AM
Please respond to midrange-l


        To:     "'midrange-l@midrange.com'" <midrange-l@midrange.com>
        cc:
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        Subject:        RE: Adding days to a date


Hey Rob

You should be able to say:

CURRENT DATE > DATE(logpwcd) + logpwei DAYS

Gord Royle

-----Original Message-----
From: rob@dekko.com [mailto:rob@dekko.com]
Sent: Thursday, May 02, 2002 11:39 AM
To: midrange-l@midrange.com
Subject: SQL: Adding days to a date


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I am trying to add days to a date in SQL.  Sample application
Password last change date is logpwcd stored as a timestamp.
Password expiration interval is logpwei stored as a decimal.

Now I've got this big complex sql statement with the following in it:
(CURRENT DATE > (logpwcd+logpwei))
Evidently you can't add an integer to a timestamp.  Which makes sense
because it didn't know if it was a day, seconds, or whatever.
Trying
(CURRENT DATE > (logpwcd+days(logpwei)))
hurls with SQL0171-Argument 1 of function DAYS not valid.
-- DAYS, the argument must be a date or a timestamp.

Rob Berendt
--
"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety."
Benjamin Franklin
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